<?php
/**
 * 观察者2
 * User: 16
 * Date: 2018/9/25
 * Time: 15:05
 */
namespace observer;

class ObserverTwo implements ObServerInterface{
    public function doSomeThing(ObservableInterface $observable)
    {
        echo $observable->_name."通知了观察者2";
    }
}